Canelo faces a decidedly unexpected challenger in the form of Khan, a former Junior Welterweight titleholder who currently campaigns at Welterweight.The two headline a four-fight HBO Boxing pay-per-view (PPV) card card loaded with the potential for highlight-reel knockouts.

MMAmania.com will deliver LIVE coverage of “Canelo vs. Khan,” starting with the HBO PPV broadcast this Saturday evening at 9 p.m. ET.

HBO’s “24/7” series continues (watch episode one here) with more looks at the stars’…